Finding the Fourth Proportional to 108,290.95, 149,442.15 and 60,545.05

Step by Step Solution

1. Step 1: Write the proportion equation
   108,290.95 : 149,442.15 = 60,545.05 : x
2. Step 2: Convert to fraction form
   108,290.95/149,442.15 = 60,545.05/x
3. Step 3: Cross multiply
   108,290.95x = 149,442.15 × 60,545.05
4. Step 4: Simplify right side
   108,290.95x = 9,047,982,443.86
5. Step 5: Solve for x
   x = 9,047,982,443.86/108,290.95
6. Step 6: Final answer
   x = 83,552.53